Index: unittest.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Lib/unittest.py,v
retrieving revision 1.38
diff -u -r1.38 unittest.py
--- unittest.py	7 Feb 2005 14:16:21 -0000	1.38
+++ unittest.py	26 Jul 2005 03:42:24 -0000
@@ -501,10 +501,11 @@
         """Return a suite of all tests cases contained in the given module"""
         tests = []
         for name in dir(module):
-            obj = getattr(module, name)
-            if (isinstance(obj, (type, types.ClassType)) and
-                issubclass(obj, TestCase)):
-                tests.append(self.loadTestsFromTestCase(obj))
+            if not name.startswith('_'):
+                obj = getattr(module, name)
+                if (isinstance(obj, (type, types.ClassType)) and
+                    issubclass(obj, TestCase)):
+                    tests.append(self.loadTestsFromTestCase(obj))
         return self.suiteClass(tests)
 
     def loadTestsFromName(self, name, module=None):